<template>
  <div class="login">
    <el-form ref="loginform" :model="loginform" :rules="loginrules" class="login-form">
      <h3 class="title">管理登录</h3>

      <el-form-item prop="loginName">
        <el-input v-model="loginform.loginName" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>

      <el-form-item prop="password">
        <el-input v-model="loginform.password" type="password"
          auto-complete="off" placeholder="密码"  @keyup.enter.native="handleLogin" >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>

      <el-form-item prop="imageCode" v-if="captchaonoff">
        <el-input v-model="loginform.imageCode" auto-complete="off" placeholder="图形验证码" style="width: 65%"  @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="captchacodeurl" @click="getCaptchaImageCode" class="login-code-img"/>
        </div>
      </el-form-item>

      <el-checkbox v-model="loginform.rememberme" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="medium" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>

        <div>
          超管：super 密码：123456 手机号：13987654321<br>
        </div>

   <!--     <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>-->
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { getCaptchaImageCode } from "@/api/common/captcha";
import cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'
export default {
  name: "login",
  data() {
    return {
      captchacodeurl: "",
      cookiepassword: "",
      loginform: {
        loginName: "super",
        password: "123456",
        rememberme: false,
        imageCode: "",
        imageId: ""
      },
      loginrules: {
        loginName: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
        password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
        imageCode: [{ required: true, trigger: "change", message: "请输入图形验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaonoff: true,
      // 注册开关
      register: true,
      //重定向
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCaptchaImageCode();
    this.getCookie();
  },
  methods: {
    getCaptchaImageCode() {
      getCaptchaImageCode().then(res => {
        this.captchaonoff = res.captchaonoff === undefined ? true : res.captchaonoff;
        if (this.captchaonoff) {
          this.captchacodeurl = res.data.imageCode;
          this.loginform.imageId = res.data.imageId;
        }
      });
    },
    getCookie() {
      const loginName = cookies.get("loginName");
      const password = cookies.get("password");
      const rememberme = cookies.get('rememberme')
      //密码
      let paw = password === undefined ? this.loginform.password : decrypt(password)
      this.loginform = {
        loginName: loginName === undefined ? this.loginform.loginName : loginName,
        password: paw,
        rememberme: rememberme === undefined ? false : boolean(rememberme)
      };
    },
    handleLogin() {
      this.$refs.loginform.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginform.rememberme) {
            cookies.set("loginName", this.loginform.loginName, { expires: 30 });
            cookies.set("password", encrypt(this.loginform.password), { expires: 30 });
            cookies.set('rememberme', this.loginform.rememberme, { expires: 30 });
          } else {
            cookies.remove("loginName");
            cookies.remove("password");
            cookies.remove('rememberme');
          }
          this.$store.dispatch("Login", this.loginform).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaonoff) {
              this.getCaptchaImageCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  //width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 30%;
  height: 38px;
  float: right;
  text-align: center;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
  width: 100px;
}
</style>
